<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
		div{
			width: 400px;
			height: 400px;
			border: 1px solid red;
			/*hidden 隐藏            visible 显示(默认效果)     scroll滚动显示  */
			overflow: scroll;
		}
</style>
</head>
<body>
	<div>
		<img src="../imgs/3.jpg">
	</div>
</body>
</html>